401444010 has 48 divisors (see below), whose sum is σ = 1138644000. Its totient is φ = 97319520.

The previous prime is 401443981. The next prime is 401444041. The reversal of 401444010 is 10444104.

It is a super-2 number, since 2×401444010² = 322314586329760200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201760 + ... + 203739.

It is an arithmetic number, because the mean of its divisors is an integer number (23721750).

Almost surely, 2^401444010 is an apocalyptic number.

401444010 is an abundant number, since it is smaller than the sum of its proper divisors (737199990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401444010 is a wasteful number, since it uses less digits than its factorization.

401444010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405523 (or 405520 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 401444010 is about 20036.0677279750. The cubic root of 401444010 is about 737.6918646650.

Adding to 401444010 its reverse (10444104), we get a palindrome (411888114).

The spelling of 401444010 in words is "four hundred one million, four hundred forty-four thousand, ten".